From: qydysky <qydysky@foxmail.com>
Date: Mon, 11 Nov 2024 14:35:56 +0000 (+0800)
Subject: 1
X-Git-Tag: v0.28.20241111145249
X-Git-Url: http://127.0.0.1:8081/?a=commitdiff_plain;h=17945abd1d4b60e2867f3f921aa4381257dd60b9;p=part%2F.git

1
---

diff --git a/reqf/cookie.go b/reqf/cookie.go
index 7435150..7e8cf1e 100644
--- a/reqf/cookie.go
+++ b/reqf/cookie.go
@@ -2,6 +2,7 @@ package part
 
 import (
 	"encoding/json"
+	"net"
 	"net/http"
 	"strings"
 	"time"
@@ -146,3 +147,65 @@ func Cookies_List_2_String(Cookies []*http.Cookie) (o string) {
 	o = string(t[:len(t)-2])
 	return
 }
+
+func ValidCookieDomain(v string) bool {
+	if isCookieDomainName(v) {
+		return true
+	}
+	if net.ParseIP(v) != nil && !strings.Contains(v, ":") {
+		return true
+	}
+	return false
+}
+
+func isCookieDomainName(s string) bool {
+	if len(s) == 0 {
+		return false
+	}
+	if len(s) > 255 {
+		return false
+	}
+
+	if s[0] == '.' {
+		// A cookie a domain attribute may start with a leading dot.
+		s = s[1:]
+	}
+	last := byte('.')
+	ok := false // Ok once we've seen a letter.
+	partlen := 0
+	for i := 0; i < len(s); i++ {
+		c := s[i]
+		switch {
+		default:
+			return false
+		case 'a' <= c && c <= 'z' || 'A' <= c && c <= 'Z':
+			// No '_' allowed here (in contrast to package net).
+			ok = true
+			partlen++
+		case '0' <= c && c <= '9':
+			// fine
+			partlen++
+		case c == '-':
+			// Byte before dash cannot be dot.
+			if last == '.' {
+				return false
+			}
+			partlen++
+		case c == '.':
+			// Byte before dot cannot be dot, dash.
+			if last == '.' || last == '-' {
+				return false
+			}
+			if partlen > 63 || partlen == 0 {
+				return false
+			}
+			partlen = 0
+		}
+		last = c
+	}
+	if last == '-' || partlen > 63 {
+		return false
+	}
+
+	return ok
+}